In an AC generator, a coil with N turns, all of the same area A and total resistance R, rotates with frequency $\omega$ in a magnetic field B. The maximum value of emf generated in the coil is :

Question

( A ) $N.A.B.R \omega$
( B ) $N.A.B$
( C ) $N.A.B.R$
( D ) $N.A.B. \omega$